"But each is different, playing a unique and complementary role."

It was the unique role for which he had been searching all his life.

All five starters average in double figures, and each has a unique role.

"He always played a unique role in my life," Williams said.

The football teams from both universities are playing a unique role.

I have a unique role here, and try to respect its complexity.

The two houses of Congress have equal but unique roles in the federal government.

Here are five that celebrate girls' unique role in their families.

It might not have seemed that way - but in the May 2010 election, raw information and data played a unique role.

The searching woman had a unique role to play in these affairs.